def add_requirements(self, metadata_path):
"""transform platform-dependent requirements"""
pkg_info = read_pkg_info(metadata_path)
# pkg_info is an email.Message object (?!)
# we have to remove the unconditional 'readline' and/or 'pyreadline' entries
# and transform them to conditionals
requires = pkg_info.get_all('Requires-Dist')
del pkg_info['Requires-Dist']
def _remove_startswith(lis, prefix):
"""like list.remove, but with startswith instead of =="""
found = False
for idx, item in enumerate(lis):
if item.startswith(prefix):
found = True
break
if found:
lis.pop(idx)
for pkg in ("gnureadline", "pyreadline", "mock"):
_remove_startswith(requires, pkg)
requires.append("gnureadline; sys.platform == 'darwin' and platform.python_implementation == 'CPython'")
requires.append("pyreadline (>=2.0); sys.platform == 'win32' and platform.python_implementation == 'CPython'")
requires.append("mock; extra == 'test' and python_version < '3.3'")
for r in requires:
pkg_info['Requires-Dist'] = r
write_pkg_info(metadata_path, pkg_info)
def add_requirements(self, metadata_path):
"""transform platform-dependent requirements"""
pkg_info = read_pkg_info(metadata_path)
# pkg_info is an email.Message object (?!)
# we have to remove the unconditional 'readline' and/or 'pyreadline' entries
# and transform them to conditionals
requires = pkg_info.get_all('Requires-Dist')
del pkg_info['Requires-Dist']
def _remove_startswith(lis, prefix):
"""like list.remove, but with startswith instead of =="""
found = False
for idx, item in enumerate(lis):
if item.startswith(prefix):
found = True
break
if found:
lis.pop(idx)
for pkg in ("gnureadline", "pyreadline", "mock"):
_remove_startswith(requires, pkg)
requires.append(
"gnureadline; sys.platform == 'darwin' and platform.python_implementation == 'CPython'"
)
requires.append(
"pyreadline (>=2.0); extra == 'terminal' and sys.platform == 'win32' and platform.python_implementation == 'CPython'"
)
requires.append(
"pyreadline (>=2.0); extra == 'all' and sys.platform == 'win32' and platform.python_implementation == 'CPython'"
)
requires.append(
"mock; extra == 'test' and python_version < '3.3'")
for r in requires:
pkg_info['Requires-Dist'] = r
write_pkg_info(metadata_path, pkg_info)